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The DC1250 is a feature rich digital recording system offering 2 universally configurable isolated inputs for measuring DC voltage, DC current, thermocouples, RTD's as well as frequency and pulse inputs. With intuitive operation, flexible input configuration and large memory capability, the DataChart 1250 is a powerful, compact digital recorder. Combining small package size with extreme flexibility make the DataChart 1250 a powerful, yet economical, digital data recording system.
Input Power: Standard
| 9 Vdc +/- 0.5Vdc @ 5VA (depends on external loads) provided by external AC wall transformer (provided)., non-isolated, 100-240Vac 50/60Hz | Input impedance: | >100k Ohms |
Option: | Isolated 12-24 Vdc input power available (not compatible with internal bater pack option below). | Measurement Rate: | Up to 100 samples/sec per channel. |
Option: | Internal battery pack provides uninterrupted operation and controlled shutdown during blackout. 6Vdc, 2400mAH NiMH - Backup Time: 8 hours typical (depends on external load). | Math Function: | Y=mx + b; average, hi peak, low peak. |
| Output: | 2 outputs 5Vdc @ 50mA to power external sensors. | Media: | Compact Flash to 2GB |
| Number of Channels: | 2 universal, user selectable. | Display: | LCD Graphics, 160 x 80 pixels, black FSTN with white LED backlight. User controlled backlight level and contrast adjust (electronic). |
| Isolation: | 300V AC/DC channel input to chassis ground | Display Modes: | Trending (horizontal), Large dual digital readout, mixed mode. |
| DC Input: | Voltage Ranges: 0-250mV; 0-1.25V; 0-2.5V, 0-5V; 0-12.5V; 0-25V | User Interface: | 5 button keypad (dual function buttons). |
| Accuracy: 0.1% of reading Resolution: 0.025% of full scale | Clock: | Auto leapyear and daylight savings adjustment. Internal battery backup. | |
| Current Ranges: 0-20mA; 4-20mA; 0-50mA; 10-50mA | Relay Output: | Two alarm outputs: 30V 0.5A Form A relays. | |
| Accuracy: 0.1% of reading excluding 250 ohm external shunt (required) | Opto-isolated Input: | One input, 5 to 12Vc activation @ 10mA typical. | |
| Resolution: 0-25% of full scale. | Audible: | Internal beeper (multiple tones). | |
| Thermocouple: | Accuracy: 0.3% of full scale (typical). Ambient Temperature Sensor Accuracy: +/-1.5°C (see datasheet for full specs.) | Dimensions: | Front panel: 96mm (1/4 DIN) x 152mm (3.78 x 3.78 x 6 inches). |
| RTD: | Accuracy: 0.3% of full scale (typical) Resolution: 0.1°C Internal Current source: 1mA (see datasheet for full specs) | Environmental: | Indoor Use Only Installation Category II per IEC 664 Pollution Degree Level II per IEC61010-1 Temperature: -10°C to 50°C operating per IEC 61010-1 Humidity: Maximum relative humidity 80% for temperature up to 31°C, decreasing linearly to 50% relative to humidity at 40°C. |
| Frequency Input (Hz) Range: | 0-10,000 Hz/ 0-600,000 RPM | Optional: | USB: Front panel USB 2.0 slave port for data and remote real-time display when using Navigator software. |
| Speed Input (RPM: | Accuracy: Freq: +/-1 Hx; RPM +/1 RPM below 9,999 RPM Input: Low <1.0Vdc; High >3.0 <12.0Vdc Pulse Width: 10 microsecond minimum. | Ethernet: Real time data display, historic data transfer, remote control and recorder configuration when using Navigator Software. Built in web server displays current measured values. |
DC1250 Dimensions:
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